﻿#region MIT License
/*
 *
 * MIT License
 *
 * Copyright (c) 2017 - 2023 Krypton Suite
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *
 */
#endregion

namespace Krypton.Toolkit.Suite.Extended.Utilities.System.SrgsCompiler
{
    internal sealed class Tag : IComparable<Tag>
    {
        internal CfgSemanticTag _cfgTag;

        internal Backend _be;

        internal Tag(Tag tag)
        {
            _be = tag._be;
            _cfgTag = tag._cfgTag;
        }

        internal Tag(Backend be, CfgSemanticTag cfgTag)
        {
            _be = be;
            _cfgTag = cfgTag;
        }

        internal Tag(Backend be, CfgGrammar.CfgProperty property)
        {
            _be = be;
            _cfgTag = new CfgSemanticTag(be.Symbols, property);
        }

        int IComparable<Tag>.CompareTo(Tag tag)
        {
            return (int)(_cfgTag.ArcIndex - tag._cfgTag.ArcIndex);
        }

        internal void Serialize(StreamMarshaler streamBuffer)
        {
            streamBuffer.WriteStream(_cfgTag);
        }
    }
}